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Finding the Fourth Proportional to 2,309.76, 3,463.02 and 848.72

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Solution

The fourth proportional to 2,309.76, 3,463.02 and 848.72 is: 1,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.76 : 3,463.02 = 848.72 : x
  2. Step 2: Convert to fraction form
    2,309.76/3,463.02 = 848.72/x
  3. Step 3: Cross multiply
    2,309.76x = 3,463.02 × 848.72
  4. Step 4: Simplify right side
    2,309.76x = 2,939,142.99
  5. Step 5: Solve for x
    x = 2,939,142.99/2,309.76
  6. Step 6: Final answer
    x = 1,272.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.